Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2019 3 19.  Predictions up to the next  14.0 days:

     Date     Time(NPP) NPP Lat/Lon Date Time(TERRA) TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 03/21/2019   19:12:50   ( -68.33,  70.39) 03/21/2019   19:13:35  ( -68.32,  70.38)    1.62                45
 03/21/2019   20:03:34   (  68.20,-122.13) 03/21/2019   20:03:02  (  68.20,-122.12)    0.71                32
 03/24/2019   10:39:14   (  69.14,  17.77) 03/24/2019   10:40:22  (  69.05,  19.52)   70.17                68
 03/24/2019   11:29:42   ( -68.31,-173.80) 03/24/2019   11:30:04  ( -68.28,-173.79)    3.42                22
 03/24/2019   12:20:26   (  68.18,  -6.32) 03/24/2019   12:19:31  (  68.16,  -6.29)    2.59                55
 03/27/2019   02:55:53   (  68.37, 134.59) 03/27/2019   02:57:03  (  68.38, 134.57)    1.66                70
 03/27/2019   03:46:34   ( -68.23, -57.92) 03/27/2019   03:46:34  ( -68.23, -57.98)    2.23                 0
 03/27/2019   04:37:15   (  67.94, 109.75) 03/27/2019   04:36:03  (  67.99, 109.39)   15.90                72
 03/29/2019   19:12:46   (  68.35,-109.61) 03/29/2019   19:13:33  (  68.32,-109.62)    3.26                47
 03/29/2019   20:03:27   ( -68.21,  57.88) 03/29/2019   20:03:03  ( -68.22,  57.90)    1.76                24
 03/29/2019   20:53:53   (  67.11,-133.47) 03/29/2019   20:52:46  (  67.20,-135.62)   93.23                67
 04/01/2019   10:39:13   ( -69.41,-162.58) 04/01/2019   10:40:19  ( -69.32,-160.13)   96.78                66
 04/01/2019   11:29:38   (  68.28,   6.26) 04/01/2019   11:30:02  (  68.31,   6.25)    3.09                24
 04/01/2019   12:20:19   ( -68.14, 173.76) 04/01/2019   12:19:33  ( -68.16, 173.70)    3.28                46